Steel Guide

2023-10-23 Steel World Comments Off on Iron ore sulfur removal process process flow

Most of the iron ores in Xinjiang, Anhui, Hubei, Jiangsu and other places in my country contain pyrrhotite to varying degrees; in addition, some of the iron ores imported into my country from abroad a...

2023-10-20 Steel World Comments Off on The reason why the pinch roller adopts the tail speed reduction control function

For small-sized high-speed wire rod rolling, when the exit speed of the finished product is greater than about 70m/s, the moment the tail of the rolled piece leaves the reducing and sizing machine (ex...

2023-10-20 Steel World Comments Off on Techniques for indicating steel number in my country

1. Overview of the representation method of steel grades in my country The grade of steel, referred to as steel grade, is the name given to each specific steel product and is a common language for peo...

2023-10-20 Steel World Comments Off on Ferroalloy blast furnace production method

The main raw materials for smelting carbon fiber by 3d printing ferromanganese by the blast furnace method include manganese ore, coke and flux, limestone, dolomite (and combustion-supporting air or o...

2023-10-20 Steel World Comments Off on Effect of deoxidation method on the quality of continuous casting billet

The deoxidation method will affect the type of inclusions in the steel, the fluidity of the molten steel and the cleanliness of the steel, so it is very important to choose the deoxidation method. Gen...

2023-10-20 Steel World Comments Off on Anti-interference Countermeasures for PLC Control Systems

Overview Various types of PLCs used in automation systems, some are installed centrally in the control room, and some are installed dispersedly on individual equipment at the production site. Although...

2023-10-20 Steel World Comments Off on Encyclopedia of basic futures knowledge

Futures trading: refers to a transaction in which the buyer and seller do not deliver immediately after the transaction is completed, but perform delivery procedures according to the transaction price...

2023-10-20 Steel World Comments Off on Arrangement of bar and wire roughing mill

(1) Horizontal two-roll tandem rolling mill. The working stands mostly use closed rolling mills, and prestressed rolling mills and short-stressed rolling mills are also used. Generally, the longitudin...

2023-10-20 Steel World Comments Off on skim

The production process of cold-rolled strips is to remove foreign matter such as rolling oil, machine oil, iron dust and dust attached to the surface of cold-rolled strips before annealing. Degreasing...

2023-10-20 Steel World Comments Off on Basic questions and answers on ironmaking production technology

1. What types of iron ores are commonly used in blast furnaces? What are their characteristics? Answer: Industrial iron ore is named after the iron-containing mineral deposits in which the iron conten...

2023-10-20 Steel World Comments Off on What are the basic knowledge of futures?

1. The Origin of Futures Trading The futures market first sprouted in Europe. As early as the ancient Greek and Roman periods, there had been central trading venues, bulk barter transactions, and trad...

2023-10-20 Steel World Comments Off on Current status of use of slit rolling in bar production

At present, split rolling is used most in bar production, and among bar split rolling methods, the split wheel method dominates. The slitting wheel slitting rolling method has developed rapidly in the...

2023-10-20 Steel World Comments Off on Principles for formulating secondary cooling system for continuous casting

From a heat transfer point of view, to improve the heat transfer between the spray water droplets and the slab in the secondary cooling zone is to increase the water flow density and quickly take away...

2023-10-20 Steel World Comments Off on Basic knowledge of canned pump maintenance

The canned pump is composed of a centrifugal pump and a three-phase asynchronous canned motor coaxially. It does not require mechanical seals and has no leakage. It is suitable for transporting variou...

2023-10-20 Steel World Comments Off on Supervision standards for pressure pipelines in chemical enterprises

Chapter 1 General Provisions Article 1 In order to ensure the safe, stable and long-term operation of pressure pipelines in chemical enterprises and protect the safety of people’s lives and prop...

2023-10-20 Steel World Comments Off on Temperature status detection within the sintering layer

The Mizushima Steel Plant of Kawasaki Steel Company in Japan is equipped with a special grate bar that moves with the trolley on the sintering mini exquisite power amplifier machine enclosure trolley ...

2023-10-20 Steel World Comments Off on Application of electronic control design of soil heat pump unit in radiant panel system

0 Introduction With the continuous improvement of social living standards, people have put forward higher requirements for their working and living environment. Comfort, health, energy saving and poll...

2023-10-20 Steel World Comments Off on Germany develops new aluminum rotation casting die casting technology

Germany’s VAW Aluminum Technology Company has researched and developed a new aluminum rotation centrifugal casting die-casting technology (Rotacast-diecasting). Castings produced using this tech...

2023-10-20 Steel World Comments Off on What are the mechanical properties of steel?

The mechanical properties of steel are important indicators to ensure the final performance (mechanical properties) of steel. It depends on the chemical composition and heat treatment system of the st...

2023-10-20 Steel World Comments Off on Reference case of technical attributes related to HGHP high temperature water source heat pump unit

Refrigeration capacity: 180KW-540KW Applicable areas: areas with sufficient water volume, moderate water temperature and suitable water quality Applicable scope: 3000 m²-6000 m² shopping malls, office...

2023-10-20 Steel World Comments Off on Analysis of process paths to meet the new safety standards for electric water heaters

Analysis of process paths to meet the new safety standards for electric water heaters The new safety standard GB4706.12-2006 “Special Requirements for Safe Storage Electric Water Heaters for Hou...

2023-10-20 Steel World Comments Off on Basic principles of hole design

The hole design assistance includes the following basic principles: (1) Choose a reasonable hole system. The reasonable selection of the pass system not only affects whether steel can be produced more...

2023-10-20 Steel World Comments Off on Preparation and application of ultra-high molar mass polyethylene pipe fittings

Ultra high molar mass polyethylene (UHMWPE) is a thermoplastic engineering plastic with excellent comprehensive properties. At present, UHMWPE pipes have been widely used in fields such as mining, ele...

2023-10-20 Steel World Comments Off on High power electric arc furnace

The transformer capacity per unit furnace capacity of high-power electric arc furnace (EAF) is higher than that of ordinary power steelmaking electric arc furnace. As a reference value for determining...

2023-10-19 Steel World Comments Off on oil

Oiling is intended to prevent steel plates from rusting. The oil should not deteriorate within one year under dry storage conditions at room temperature; it can be easily removed by the alkaline oilin...

2023-10-19 Steel World Comments Off on Basic properties of copper pipes

The pressure resistance of copper pipes is several times or even dozens of times that of plastic pipes and aluminum 5083-alloy. It can withstand the highest water pressure in today’s buildings. ...

2023-10-19 Steel World Comments Off on The role of fluorite for converters

Fluorite is a flux, and its main component is CaF2. The melting point of pure CaF2 is 1418°C. Fluorite also contains components such as SiO2 and S, so the melting point is around 930°C. After being ad...

2023-10-19 Steel World Comments Off on What are the basic knowledge of drive shafts?

1. Introduction to drive shaft assembly (combined with specific assembly diagram) Transmission shaft, English PROPELLER (DRIVING) SHAFT. Power is transmitted between two axes with different axes and e...

2023-10-19 Steel World Comments Off on Fault self-diagnosis methods and uses of CNC machine tools

1. Power-on self-diagnosis: The so-called power-on self-diagnosis refers to the diagnosis automatically performed by the system’s internal diagnostic program when the control system is powered o...

2023-10-19 Steel World Comments Off on ribbon carbide

The crystallization segregation formed when high-carbon chromium copper parts ingots are cooled, and the carbide-enriched zones that extend during hot rolling deformation are called banded carbides, w...

2023-10-19 Steel World Comments Off on Determining factors of oxygen lance gun position and gun height

Adjusting the position of the oxygen lance can adjust the interaction between the oxygen jet and the molten pool, thereby controlling the blowing process. Therefore, the oxygen lance position is an im...

2023-10-19 Steel World Comments Off on Straightening of steel

The rolled finished steel, especially the section steel, is often not straight enough and its cross-sectional  metal u shaped bracket is not correct enough. Steel materials may also bend or end torsio...

2023-10-19 Steel World Comments Off on electroleaching

The leaching method uses the anode reaction of the electrolytic cell to dissolve the valuable metals in the material into the solution. Also called electrochemical leaching. The material (graphite pow...

2023-10-19 Steel World Comments Off on Self-differential pressure control valve is used in HVAC engineering

Abstract: The working principle of the self-operated self-pressure differential control valve is introduced, and the application of the valve in cold and heat source protection and central heating pro...

2023-10-19 Steel World Comments Off on Mold materials and mold thermal operation methods

Mold material selection is a very important link in the entire mold making process. Mold material selection needs to meet three principles. The mold should meet work requirements such as wear resistan...

2023-10-19 Steel World Comments Off on Introduction to the concept of pipe jacking project for fiberglass reinforced plastic sand-filled pipes

A main traffic artery with a road width of 60 m and a large traffic volume, it is one of the important transportation hubs in Shenyang City. With the development of social economy, the original sewage...